main {
    width: 100%;

    nav {
        background-color: #EFEFEF;
        height: 40px;
        line-height: 40px;
        font-size: 15px;
        position: relative;

        a {
            padding-left: 10px;
            color: #5a5a5a;
        }

        a:nth-of-type(4) {
            display: inline-block;
            position: absolute;
            top: 5px;
            right: 10px;
            width: 43px;
            padding-left: 5px;
            height: 28px;
            line-height: 28px;
            border: 1px solid #888;
            border-radius: 5px;

        }
    }

    .product-list {
        width: 100%;
        padding-bottom: 20px;

        .product-item {
            width: 100%;
            padding: 20px;
            border-bottom: 1px solid #666;
            display: flex;
            flex-direction: row;
            flex-wrap: nowrap;
            justify-content: space-between;

            >a {
                display: inline-block;
                width: 100px;
                height: 100px;
                background-color: #ccc;
                margin-right: 10px;
                img{
                    width: 100%;
                }
            }

            .product-content {
                position: relative;
                flex: 1;
                padding-top: 10px;
                line-height: 22px;
                h5{
                    font-size: 14px;
                    margin: 0;
                }
                p{
                    color: red;
                    font-size: 14px;
                }
                em{
                    color:#444;
                    padding-right: 10px;
                }
            }
        }
    }
    .to-top{
        width: 50px;
        height: 50px;
        // border: 1px solid #666;
        border-radius: 50%;
        position: fixed;
        bottom: 20px;
        right: 20px;
        background: url("../images/icon_bar.png") -283px -24px no-repeat;
    }
}